Removal Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- If equipped with a 6.0L engine, remove the exhaust manifold pipe. Refer to Exhaust Manifold Pipe Replacement .
- If equipped with a 6.0L engine, remove the left catalytic converter. Refer to Catalytic Converter Replacement - Left Side (With Cab Chassis) .
- If equipped with a 6.6L engine, remove the catalytic converter. Refer to Catalytic Converter Replacement (With LU3) or Catalytic Converter Replacement (With V8 Engine) or Catalytic Converter Replacement (With LMM) .
- If equipped with a 4L80-E automatic transmission, regular production option (RPO) MT1, remove the exhaust pipe hanger bracket bolts and bracket.
- If equipped with a Allison® automatic transmission, RPO MW7, remove the exhaust pipe hanger bracket bolt/stud and bracket.
- If equipped with a 6L90-E automatic transmission, RPO MYD, remove the exhaust pipe hanger bracket bolts and bracket.